- 22.1 Scope
- Precision Altitude Competition comprises three events open to any model rocket. The purpose of this
competition is to accurately predict the altitude that a model will attain.
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- 22.2 Classes
- The three classes of Precision Altitude shall be:
- 22.2.1 Predicted Altitude
- The contestant must predict the altitude in meters to which the model will be flown. This Predicted Altitude
shall be recorded on the flight card and given to the Contest Director or his/her deputy prior to any official
flight by the contestant at the meet. The minimum altitude prediction allowable is 100 meters. Weighting Factor 8
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- 22.2.2 Set Altitude
- The Contest Director shall set the target altitude when the meet is sanctioned. This value shall appear in the
sanction form and all appropriate contest information. The target altitude shall be a multiple of 5 meters between
100 and 300 meters. All contestants shall attempt to achieve this same Set Altitude. Weighting Factor 8
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- 22.2.3 Random Altitude
- The Contest Director shall randomly select the target altitude just prior to when the event is flown, by draw,
dice, or other random device. The target altitude shall be a multiple of 5 meters between 100 and 300 meters. All
contestants shall attempt to achieve this same Random Altitude. Weighting Factor 10
- 22.3
Order
- A contestant entered in Precision Altitude Competition shall make all official flights in Precision Altitude
before flying any other event requiring tracking.
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- 22.4
Number of Flights
- Entries shall be allowed only one official flight in Precision Altitude Competition. In the case of a track not
closed or a track lost, any flight allowed under Rule 14.9 shall be made by the same model, and no changes in
configuration, motor type, or prediction shall be allowed.
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- 22.5
Control
- The entry shall not be radio controlled or contain any device whose purpose is to limit the altitude of the model
(e.g., a wire or string).
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- 22.6
Scoring
- Precision Altitude Competition shall be scored as follows: the achieved altitude of the model shall be divided by
the target altitude, and the result multiplied by 100. This figure shall then be rounded to the nearest 0.1%. If the
result is greater than or equal to 100, subtract 100 from it; otherwise, subtract it from 100. The contestant whose
score comes closest to zero shall be declared the winner.
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- 22.7
Weighting Factor
- The Weighting Factor for Predicted Altitude and Set Altitude is 8. The Weighting Factor for Random Altitude is 10.
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